CVE-2026-49314 Details
Description
OOB write vulnerability in the rendering and composition module. Impact: Successful exploitation of this vulnerability may affect availability.
A high-severity out-of-bounds write vulnerability has been identified in the rendering and composition module of Huawei HarmonyOS devices. This vulnerability, present in HarmonyOS 6.1.0, could be exploited to disrupt the availability of the affected system.
Users can apply the September 2026 security update to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 9, 2026CISA-ADP
Assessed Sep 9, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://consumer.huawei.com/en/support/bulletin/2026/9/ | [email protected] | AdvisoryBundleVendor |
| https://consumer.huawei.com/en/support/bulletinlaptops/2026/9/ | [email protected] | AdvisoryBundleVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Huawei HarmonyOS | HarmonyOS6.1.0 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 9, 2026 | CVE Modified | CISA-ADP |
| Sep 9, 2026 | New CVE Received | [email protected] |